<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>BootStrap</title>
    <link rel="stylesheet" href="bootstrap-3.4.1-dist/css/bootstrap.css">
</head>

<body>
    <button class="btn btn-default">default</button>
    <button class="btn btn-info">info</button>
    <table class="table table-hover table-bordered table-condensed table-responsive table-striped">
        <tr class="success">
            <td>ID</td>
            <td>Name</td>
            <td>Age</td>
            <td>Gender</td>
        </tr>
        <tr>
            <td>1</td>
            <td>张三</td>
            <td>20</td>
            <td>男</td>
        </tr>
        <tr>
            <td>2</td>
            <td>李四</td>
            <td>21</td>
            <td>男</td>
        </tr>
        <tr>
            <td>3</td>
            <td>王五</td>
            <td>20</td>
            <td>男</td>
        </tr>
        <tr>
            <td>4</td>
            <td>赵六</td>
            <td>21</td>
            <td>女</td>
        </tr>
    </table>
</body>
</html>